Guam weather in December 2024
Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Guam in December. Check more long-term weather averages for Guam in December before you book your next holiday to Guam in 2024/2025.
- 3030°C max day temperature
- 5 hours of sunshine per day
- 2323 days with some rainfall
- 2424°C min night temperature
- 1111 hours of daylight per day
- HHigh heat & humidity
- 150150 mm of monthly rainfall
- 99 (Very High) UV index
- 2828°C sea temperature
More about Guam
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts